class_docstr: Main class for calculating GageRnR.
docstr: Calculate Sum of Squares.
docstr_tok: ["Calculate","Sum","of","Squares","."]
code: def calculate_ss(self):
      """Calculate Sum of Squares."""
      SS = self.calculate_sum_of_deviations()
  
      SS[Component.OPERATOR] = (
          self.parts * self.measurements * SS[Component.OPERATOR]
      )
      SS[Component.PART] = (
          self.operators * self.measurements * SS[Component.PART]
      )
      SS[Component.OPERATOR_BY_PART] = SS[Component.TOTAL] - (
          SS[Component.OPERATOR]
          + SS[Component.PART]
          + SS[Component.MEASUREMENT]
      )
      return SS
  
imports: from enum import Enum
  import numpy
  import math
  import scipy.stats
label_desc: Use image node_id 6 for calling the GageRnR obj's underlying member method code with example usage: obj.calculate_ss() and returns: SS